Finding the Fourth Proportional to 204,334.38, 281,982.84 and 113,694.17
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Solution
The fourth proportional to 204,334.38, 281,982.84 and 113,694.17 is: 156,898.72
Step by Step Solution
- Step 1: Write the proportion equation
204,334.38 : 281,982.84 = 113,694.17 : x - Step 2: Convert to fraction form
204,334.38/281,982.84 = 113,694.17/x - Step 3: Cross multiply
204,334.38x = 281,982.84 × 113,694.17 - Step 4: Simplify right side
204,334.38x = 32,059,803,538.13 - Step 5: Solve for x
x = 32,059,803,538.13/204,334.38 - Step 6: Final answer
x = 156,898.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.